#697. Sums of groups of 5
Split the list into groups of 5 elements in a row (the last group may be smaller). Print the sum of each group.
### Input
The first line has n, the second line has n integers separated by spaces.
### Output
One line.
Examples
Input
2 -4 -4
Output
-8
Input
5 -1 -10 -10 -8 -3
Output
-32
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.